Correlational methods in research on human learningWinton H. Manning, Philip H. DuBois · First published 1962Open the Tome
Objectives and methods of research in adult educationPhilip H. DuBois · First published 1962Open the Tome
The construction of homogenous keys for a biographical inventoryPhilip H. DuBois · First published 1952Open the Tome
A test of recognition of correct pronunciation of English words by Near Eastern studentsPhilip H. DuBois · First published 1932Open the Tome
